Dexmedetomidine alleviates intestinal ischemia/reperfusion injury by modulating intestinal neuron autophagy and mitochondrial homeostasis via Nupr1 regulation.

IF 6 2区 医学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Molecular Medicine Pub Date : 2024-11-06 DOI:10.1186/s10020-024-00952-2
Qiong Wu, Qiuhong Chen, Sisi Liang, Jinping Nie, Yingjie Wang, Chenlu Fan, Zhen Liu, Xuekang Zhang
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Abstract

Intestinal ischemia/reperfusion injury (I/R) is a common yet challenging-to-treat condition, presenting a significant clinical challenge. This study aims to investigate the protective mechanisms of Dexmedetomidine (Dex) against I/R injury, with a particular focus on its role in regulating autophagy activity in intestinal neurons and maintaining mitochondrial homeostasis. Experimental findings demonstrate that Dex can mitigate intestinal damage induced by I/R through the modulation of autophagy activity and mitochondrial function in intestinal neurons by suppressing the expression of Nupr1. This discovery sheds light on a new molecular mechanism underlying the potential efficacy of Dex in treating intestinal I/R injury, offering valuable insights for clinical therapy.

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右美托咪定通过Nupr1调控肠神经元自噬和线粒体稳态缓解肠缺血再灌注损伤
肠道缺血/再灌注损伤(I/R)是一种常见的疾病,但治疗难度很大,是一项重大的临床挑战。本研究旨在探讨右美托咪定(Dex)对I/R损伤的保护机制,尤其关注其在调节肠道神经元自噬活性和维持线粒体稳态方面的作用。实验结果表明,Dex 可通过抑制 Nupr1 的表达,调节肠道神经元的自噬活性和线粒体功能,从而减轻 I/R 引起的肠道损伤。这一发现揭示了Dex治疗肠道I/R损伤潜在疗效的新分子机制,为临床治疗提供了宝贵的启示。
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来源期刊
Molecular Medicine
Molecular Medicine 医学-生化与分子生物学
CiteScore
8.60
自引率
0.00%
发文量
137
审稿时长
1 months
期刊介绍: Molecular Medicine is an open access journal that focuses on publishing recent findings related to disease pathogenesis at the molecular or physiological level. These insights can potentially contribute to the development of specific tools for disease diagnosis, treatment, or prevention. The journal considers manuscripts that present material pertinent to the genetic, molecular, or cellular underpinnings of critical physiological or disease processes. Submissions to Molecular Medicine are expected to elucidate the broader implications of the research findings for human disease and medicine in a manner that is accessible to a wide audience.
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